public async Task <IEnumerable <IssueDto> > GetIssuesForProjectAsync(ApplicationUser user, long projectId, CancellationToken cancellationToken = default)
        {
            var issues = await _issuesService.GetIssuesForProjectAsync(user, projectId, cancellationToken);

            if (issues == null)
            {
                return(null);
            }

            return(await issues.ProjectTo <IssueDto>(_mapper.ConfigurationProvider).ToListAsync(cancellationToken));
        }